How does salinity affect the point at which water freezes? Kids will find out by performing this cool melting ice experiment.

This science fair idea examines hydrogel superabsorbent polymer crystals. They can absorb 500 times their weight in water. Can they absorb other liquids too?

Kids discover what a homogeneous mixture is by adding sugar to distilled water and identify the various factors affecting solubility.

In this experiment, students find out what happens when a less-dense fluid interacts with a denser one, replicating the effect of cooler solid rock on magma.

Why doesn't the ocean freeze? Students answer this question by simulating the chemical composition and temperature of arctic waters in their own home.

Kids learn about potential energy, and mechanical energy, and how to make power from water with one of our favorite renewable energy projects for kids.

Easy and cool middle school science fair project on ripening process of fruits and measures you can take to prevent fruits from rotting and delay ripening.

This project compares the strength of one, two, and three-ply toilet paper.

Learn about the Atwood Machine and Newton's 2nd Law with a pulley and masses of different weights in this physics science project.

This science fair project explains the process of how the lungs expand and contract with the help of the diaphragm.

This experiment will explore if and where fractals can be found in the natural world.

Ever wondered how a plant drinks water? This science project will teach you how and help you create a beautiful floral display!

You've heard all about oil spills, but can they really be that bad? After all, vegetable oil is in almost every yummy baking good from cookies to brownies.

Learn how to tell time by the sun with this cool science fair project idea that tracks how the accuracy of a sundial changes over time.

This engaging project encourages young children to practice and refine the important scientific skills of sorting and classification.

Science fair project the demonstrates Newton's Third Law using a milk carton filled with water.

This science fair project idea tests whether it is true that humans are in the morning than later during the day/night.

In this project students learn about the golden ratio and investigate if it can be used to predict people's assessment of beauty in others.

The objective of this experiment is to conduct a ganzfeld experiment and determine if extrasensory perception (ESP) can be observed.

This conservation of energy demonstration shows why the first hill is the highest on a roller coaster. Learn more about potential and kinetic energy!

Examine the impact of insecticides on plant growth.

Science fair project which helps you determine your latitude by using an astrolabe, which measures the angle between the North Star and the horizon.

How do cold packs work? Explore endothermic reactions by comparing the temperature change that results from various chemicals added to water to find out!

Science fair project that determines whether spreading a moss soup over an area increases moss growth.

This science fair project focuses on the use of a conductivity device that will determine if a substance dissolved in water can or cannot conduct electricity.

Find out whether we can create motion in a dish and as a result, create a wonderful and colorful show.

Check out this free high school science fair project to explore the physics of the Coriolis effect with a homemade Foucault Pendulum.

Make stunning pendulum waves and learn the math behind the patterns generated with this cool and easy science project.

This science fair project idea discovers the principle of conservation of mass.

The objective of this science fair project idea is to examine light refraction as it passes through liquid crystals.